![This came with the house. I decided to put a battery in it and it won't even power up. Does this require a hardwire? It was just mounted to the ceiling with This came with the house. I decided to put a battery in it and it won't even power up. Does this require a hardwire? It was just mounted to the ceiling with](https://i.redd.it/tanrk98fr3la1.jpg)
This came with the house. I decided to put a battery in it and it won't even power up. Does this require a hardwire? It was just mounted to the ceiling with
![Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot](https://images.thdstatic.com/productImages/d7d550a0-5988-435d-8a62-382b5f3444e8/svn/kidde-hardwired-smoke-detectors-21029877-64_145.jpg)
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com](https://m.media-amazon.com/images/I/41sIAfi88pL._AC_.jpg)
Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com
![FireX i4618 (21007581) Smoke Alarm, 9V Lithium Battery, 85dB Alarm Audio, UL 217 - Dentists in Springfield, VA FireX i4618 (21007581) Smoke Alarm, 9V Lithium Battery, 85dB Alarm Audio, UL 217 - Dentists in Springfield, VA](https://i.ebayimg.com/images/g/gz0AAOSwn8FlZ6Qn/s-l1600.jpg)
FireX i4618 (21007581) Smoke Alarm, 9V Lithium Battery, 85dB Alarm Audio, UL 217 - Dentists in Springfield, VA
![Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot](https://images.thdstatic.com/productImages/71cb1773-3a16-4647-bd3f-9c64c298a7e5/svn/kidde-hardwired-smoke-detectors-21029877-40_600.jpg)
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com](https://m.media-amazon.com/images/I/61ZoAz0xxAL.jpg)
Kidde I4618AC Alarm Hardwire Smoke Detector with 9V Backup and Front Load Battery Door | Model i4618, White - Kiddie Ka F Adaptor - Amazon.com
![FireX i4618 (21007581) Smoke Alarm, 9V Lithium Battery, 85dB Alarm Audio, UL 217 - Dentists in Springfield, VA FireX i4618 (21007581) Smoke Alarm, 9V Lithium Battery, 85dB Alarm Audio, UL 217 - Dentists in Springfield, VA](https://i.ebayimg.com/images/g/ZbYAAOSwZ19lZ6Qk/s-l1600.jpg)